The [author of the] Degel Mahaneh Efrayim – the Sudylkiver Rabbi, his brother R. Baruch, and the Apter Rebbe lived in Mezebuz to¹ 12 years.

I.F.

Elazar Zohn 

A Mezebuzer 

1. A bit unclear. It could either mean until 12 years old (including the previous years) or at the age of 12 (regardless of where they lived in previous years).